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Environment variables

Set project secrets that are injected into the VM during task execution (API keys, DB URLs, etc.). Configure them from: You can add key-value pairs directly or paste a full .env file.
Environment variables are available to the agent during task execution. Only provide secrets you’re comfortable sharing with the agent.

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VM size

Each task runs in an isolated Ubuntu VM. Choose the size that matches your workload:
SizeCPURAMDiskCost/hour
Small2 cores4 GB20 GB$0.17
Medium4 cores8 GB30 GB$0.33
Large8 cores16 GB40 GB$0.66
Ultra16 cores32 GB50 GB$1.32
Small is the default and works for most tasks. Use larger sizes for heavy builds, large test suites, or resource-intensive compilation. To change VM size:
  1. Open project Configuration, or Settings → Project → Devbox
  2. Select the VM size
  3. Save
Changes apply to the next run.